Over the last eight years, U.S. law enforcement has seized a great number of bitcoins and at one time, the Federal Bureau of Investigation (FBI) held one of the largest bitcoin wallets after the Silk Road takedown. A recently published report shows the FBI has started using cryptocurrency mixing applications in recent times in order to obfuscate transactions from seized bitcoins that stem from a forfeiture
The report shows that the FBI seized 39.67 from a man in Tucson, Arizona, and the case involved unauthorized SIM swaps. According to Davis’ findings, the FBI sent updates to the victims and “made it seem as if the cryptocurrency had been already sold.” However, blockchain data shows this wasn’t the case and the victims were told a “clerical error” was made.
The author also noted how the former U.S. Drug Enforcement Administration agent Carl Force and the former Secret Service agent Shaun Bridges stole money from the Silk Road case. Force was able to steal 1,200 BTC and Bridges was able to snag 3,100 bitcoin. “They would have gotten away with it if they had taken one extra precaution,” Davis said. “Their downfall was failing to use a tool called Bitcoin Blender”